Today Qualcomm was granted an injunction against Apple, allowing for a ban of certain iPhone models in Germany. The announcement comes only a little over a week after a Chinese court ruled in a similar fashion against Apple, on the case that the company is infringing Qualcomm patents. The case in Germany is on the matter of infringing certain patents that cover the functioning of envelope tracking (ET). ET is a key component in the RF front-end of a cellular system, and its usage notably increases the power efficiency of the system by avoiding unnecessary losses on the side of the power amplifier. Qualcomm claims Apple’s implementation in certain devices infringes on their patents – in this case we’re talking about international models of the iPhone...

Log in

Don't have an account? Sign up now